Method for producing killed steels for continuous casting
A method for producing a killed molten steel for continuous casting, which
A step of preparing a molten steel with a blow-off carbon content not less
than 0.05% in a converter,
A step of pouring the molten steel to a ladle, and
A step of degassing the molten steel in vacuum degassing vessel under a
vacuum within a range of from 10 to 300 mmHg, with addition of at least
one element selected from the group consisting of Al, Si and Mn, while
stepwisely adjusting the vacuum in correspondence to the degree of
decarburization of the molten steel.
Hori; Sankichi (Ohita, JP), Owada; Yasunori (Ohita, JP), Kusano; Akihiko (Ohita, JP) |
Nippon Steel Corporation
July 22, 1977|
Rosenberg; P. D.